Home / 12,107.34-18,161.37-3,342.33

Finding the Fourth Proportional to 12,107.34, 18,161.37 and 3,342.33

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Solution

The fourth proportional to 12,107.34, 18,161.37 and 3,342.33 is: 5,013.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,107.34 : 18,161.37 = 3,342.33 : x
  2. Step 2: Convert to fraction form
    12,107.34/18,161.37 = 3,342.33/x
  3. Step 3: Cross multiply
    12,107.34x = 18,161.37 × 3,342.33
  4. Step 4: Simplify right side
    12,107.34x = 60,701,291.79
  5. Step 5: Solve for x
    x = 60,701,291.79/12,107.34
  6. Step 6: Final answer
    x = 5,013.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.